function form_submit(){
    if(document.kontakt.name.value=="" || document.kontakt.email.value=="" || document.kontakt.message.value=="")
    {
        $.fancybox(
		'Für eine bestmögliche Bearbeitung Ihrer Anfrage, möchten wir Sie bitten, alle mit einem * gekennzeichneten Felder auszufüllen',
		{
        		'autoDimensions'	: false,
			'width'         		: 350,
			'height'        		: 'auto',
			'transitionIn'		: 'none',
			'transitionOut'		: 'none'
		}
	);
    }
    else
    {
        document.kontakt.submit();
        return true;
    }
}

(function($) {
  var cache = [];
  // Arguments are image paths relative to the current page.
  $.preLoadImages = function() {
    var args_len = arguments.length;
    for (var i = args_len; i--;) {
      var cacheImage = document.createElement('img');
      cacheImage.src = arguments[i];
      cache.push(cacheImage);
    }
  }
})(jQuery)


function slideshow(_id){
    var $active = $('#slideshow' + _id + ' IMG.active');

    if ( $active.length == 0 ) $active = $('#slideshow' + _id + ' IMG:last');

    var $next =  $active.next().length ? $active.next()
        : $('#slideshow' + _id + ' IMG:first');

    $active.addClass('last-active');

    $next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 3000, function() {
            $active.removeClass('active last-active');
        });
}